Celluloid
Celluloid (#515153) offers a sophisticated take on charcoal. This deep, muted gray stands out with its balanced neutrality and subtle warmth, avoiding the coldness of many darker grays. It provides a stable, understated base, making it an incredibly versatile and elegant choice for interfaces that require depth without distraction.
Pairs well with
Analogous
Neighbours on the color wheel, producing a cohesive, low-tension pairing.
Complementary
Direct opposites on the wheel, for maximum contrast.
Split complementary
The two colors bordering the complement — contrast with less tension.
Triadic
Three colors equally spaced around the wheel, bold and balanced.
Tetradic
Two complementary pairs, forming a rich four-color set.
Square
Four colors evenly spaced for a balanced, high-contrast set.
Shades, tints & tones
Shades
Mixed with black — deeper, heavier.
Tints
Mixed with white — softer, less saturated.
Tones
Mixed with gray — muted, quieter.